Table 5.

Knowledge constructs (range : 0–48).

Variable	T/F	n (%correct)
Symptoms
Blurry vision	T	25 (100)
Confusion	T	25 (100)
Difficulty concentrating	T	25 (100)
Difficulty remembering	T	25 (100)
Trouble balancing	T	25 (100)
Dizziness	T	24 (96)
Feeling in a fog	T	24 (96)
Headache	T	24 (96)
Not feeling right	T	24 (96)
Sensitivity to noise	T	24 (96)
Sensitivity to light	T	24 (96)
Skin rash	F	24 (96)
Nausea	T	23 (92)
Pressure in head	T	23 (92)
Drowsiness	T	22 (88)
Feeling slowed down	T	22 (88)
Fatigue	T	21 (84)
Joint pain	F	21 (84)
Being more emotional	T	20 (80)
Irritability	T	18 (72)
Nervousness	T	18 (72)
Trouble falling asleep	T	18 (72)
Sadness	T	17 (68)
Neck pain	T	15 (60)
General consequences
I don't know what might happen	F	25 (100)
More likely to sustain another concussion	T	25 (100)
No bad things can ever happen	F	25 (100)
Skin rash	F	25 (100)
Trouble with school	T	25 (100)
Brain damage	T	23 (92)
Difficulty with everyday activities	T	23 (92)
Difficulty with social activities	T	21 (84)
Consequences of returning to play too soon
I don't know what might happen	F	25 (100)
No bad things can ever happen	F	25 (100)
Skin rash	F	25 (100)
More likely to sustain another concussion	T	24 (96)
Brain damage	T	23 (92)
Difficulty with everyday activities	T	23 (92)
Trouble with school	T	21 (84)
Difficulty with social activities	T	20 (80)
Consequences of suffering multiple concussions
Difficulty with everyday activities	T	25 (100)
Difficulty with social activities	T	25 (100)
No bad things can ever happen	F	25 (100)
Skin rash	F	25 (100)
Brain damage	T	24 (96)
I don't know what might happen	F	24 (96)
Trouble with school	T	24 (96)
More likely to sustain another concussion	T	20 (80)

Note: Quantitative variables consist of scores from the pretest questionnaire.

Abbreviations: F = false; T = true.